Seiko Cal. 5657 - 859

The 5657-859 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-8d5c672ad926]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1977

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